Crow tries to point it out to Gokudera, but the skull's text disappears, and so does the tattoo. He blinks his eyes, not sure what he's seeing, but he knows the body art's enchanted.

"It was...right there on your neck." Crow sounds a little unsure now, but he doesn't want to be proven wrong either.

So here he goes invading the teen's personal space to locate the missing skull. It has to be somewhere, tattoos just don't up and vanish!